| Azteca: Mexicano: Chilac/Altap | |
| Cacaloxtepec | |
| Cac'chiquel | |
| Caita | |
| Cajonos | |
| Camotlan | |
| Candelaria Loxicha | |
| Central | |
| Central Aztec | |
| Central Huasteca Nahuatl | |
| Central Juxtlahuaca Mixtec | |
| Central Mazahua | |
| Central Nochistlan Mixteco | |
| Central Ocotlan Zapoteco | |
| Central Puebla Mixtec | |
| Central Sola de Vega Zapotec | |
| Central Tlacolula | |
| Central Villa Alta Zapotec | |
| Chalcatango | |
| Chamula Tzotzil | |
| Chatino de San Marcos Zacatepec | |
| Chatino Occidental Alto | |
| Chatino Occidental Bajo | |
| Chatino Oriental Bajo | |
| Chayuco | |
| Chayuco Mixtec | |
| Chenalho Tzotzil | |
| Chiapas Mam | |
| Chicahuaxtla | |
| Chichicapan | |
| Chichimec | |
| Chichimeca Pame, Northern | |
| Chima | |
| Chinantec, Chiltepec | |
| Chinantec, Comaltepec | |
| Chinantec, Comaltepec: Tectitlan | |
| Chinantec, Lalana | |
| Chinantec, Lealao | |
| Chinantec, Ozumacin | |
| Chinantec, Palantla | |
| Chinantec, Quiotepec | |
| Chinantec, Quiotepec: Yolox | |
| Chinantec, Sochiapam | |
| Chinantec, Tepetotutla | |
| Chinantec, Tepetotutla: Tlatepusco | |
| Chinantec, Tepinapa | |
| Chinantec, Tlacoatzintepec | |
| Chinantec, Usila | |
| Chinanteco de Ojitlán | |
| Chinanteco de San Mateo Yetla | |
| Chiquihuitlán Mazatec | |
| Choapan | |
| Chocho | |
| Chol | |
| Chol: Tila | |
| Chol: Tumbala | |
| Chol: Tumbala Sabanilla | |
| Chontal, Tabasco: San Carlos | |
| Chontal, Tabasco: Tamulte | |
| Chontal, Tabasco: Tapotzingo | |
| Chontal de Oaxaca de la costa | |
| Chontal Maya | |
| Chuj | |
| Coastal Mixtec | |
| Coatecas Altas | |
| Coatepec Aztec | |
| Coatlan | |
| Coatlán Zapotec | |
| Coatzospan Mixtec | |
| Cochimia | |
| Cocopa | |
| Coicoyan | |
| Copainala | |
| Copala | |
| Cora | |
| Cora, El Nayar: Jesús María | |
| Cora, El Nayar: La Mesa del Nayar | |
| Cora, Santa Teresa | |
| Coyutla Totonac | |
| Cuicatec, Tepeuxila | |
| Cuicatec, Teutila | |
| Cuicatec: Papalo | |
| Cuixtla | |
| Filomena Mata-Coahuitlán Totonac | |
| Mam: Todos Santos Cuchumatán | |
| Meshikan de San Agustin Buenaventura y de Santa Cruz | |
| Mixe, North Central: Mixistlan | |
| Mixe Alto del Centro | |
| Mixe: Camotlan | |
| Mixtec, Alacatlatzala: Cahuatache | |
| Mixtec, Chayuco: Mechoan | |
| Mixtec, Jamiltepec: San Cris. Amoltepec | |
| Mixtec, San Juan Colorado | |
| Mixteco de Cuquila | |
| Mixteco: Santa Cruz Yosoyua | |
| Nahuatl, Guerrero: Chilapa | |
| San Bartolome Venustiano Carranza Tzotzil | |
| Yaitepec Chatino | |